Ken Fisher
IDYA icon

Ken Fisher’s IDEAYA Biosciences IDYA Stock Holding History

Ken Fisher’s Portfolio IDYA Stock Details IDYA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$29.4M Sell
882,699
-6,934
-0.8% -$233K 0.01% 286
2025
Q4 		$30.8M Buy
889,633
+27,425
+3% +$874K 0.01% 278
2025
Q3 		$23.5M Sell
862,208
-59,884
-6% -$1.45M 0.01% 306
2025
Q2 		$19.4M Sell
922,092
-42,939
-4% -$824K 0.01% 326
2025
Q1 		$15.8M Buy
965,031
+88,432
+10% +$1.88M 0.01% 354
2024
Q4 		$22.5M Buy
876,599
+27,690
+3% +$784K 0.01% 334
2024
Q3 		$26.9M Buy
848,909
+179,114
+27% +$6.79M 0.01% 303
2024
Q2 		$23.5M Sell
669,795
-460
-0.1% -$18.2K 0.01% 317
2024
Q1 		$29.4M Buy
670,255
+130,579
+24% +$5.61M 0.01% 288
2023
Q4 		$19.2M Buy
539,676
+508,151
+1,612% +$15.2M 0.01% 329
2023
Q3 		$851K Sell
31,525
-17,226
-35% -$437K ﹤0.01% 775
2023
Q2 		$1.15M Buy
+48,751
New +$1M ﹤0.01% 748

Other funds holding IDYA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
LGM
Logos Global Management San Francisco, California $2B AUM 444.09% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Ken Fisher's IDYA Position: Q1 2026 in Review

Ken Fisher reduced its IDEAYA Biosciences (IDYA) stake by 0.78% in Q1 2026, selling an estimated $233K and leaving 882,699 shares worth $29.4M. The position accounts for 0.01% of the portfolio, ranked #286.

Ken Fisher first reported a position in IDYA in Q2 2023 and has held it in 12 quarters since. The position peaked at $30.8M in Q4 2025. 253 funds tracked by Wall St. Rank hold IDYA as of Q1 2026.

  • Ken Fisher held 882,699 shares of IDEAYA Biosciences worth $29.4M as of Q1 2026.
  • Ken Fisher sold 6,934 IDEAYA Biosciences shares in Q1 2026, an estimated $233K.
  • IDEAYA Biosciences made up 0.01% of Ken Fisher's portfolio in Q1 2026, its #286 holding.
  • Ken Fisher first reported a position in IDEAYA Biosciences in Q2 2023 and has held it in 12 quarters since.
  • Ken Fisher's IDEAYA Biosciences position peaked at $30.8M in Q4 2025.
  • 253 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q1 2026.

Based on Fisher Asset Management's 13F filing for Q1 2026, filed 5 May 2026.